Best Answer

It's an equation. Specifically, a linear equation in ' x '.

Here's the solution for ' x ':

4x + 7 = -3 - x

5x + 7 = -3

5x = -10

x = -2

Q: What is 4x plus 7 equals -3 - x?

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If 4x + 7 = 3... then x must equal -1

4x + 7 = 6x -7 14=2x so x = 7 (plus a negative # is simply - that number)

4x - 7 = 5 + 7x x = -4

X=2

x + 5 + 3x - 7 + 9x + 3 - 4x Switch the like numbers closer to make the equation easier. x + 3x + 9x - 4x + 5 - 7 + 3 However this is an unsolvable as it isn't an equation. An equation needs an equals sign, for example: x + 3x + 9x - 4x + 5 - 7 + 3 = 0, or x + 3x + 9x - 4x + 5 - 7 + 3 = 10 If it is the former then the answer is 9x = -1 Thus x = -1/9

Related questions

If 4x + 7 = 3... then x must equal -1

= 3

5+4x-7 = 4x+3-x 4x-2 = 3x+3 4x-3x = 3+2 x = 5

7

12 + 7 = 4x - 312 + 7 + 3 = 4x22 = 4x22/4 = xx = 5.5

x^2+4x+7

4x plus 7 plus 3x equals 19 plus xx = 2

-4x +5x +4 =7 x + 4 = 7 x = 3

If: 5x = 4x+7 Then: 5x-4x = 7 And: x = 7

3x+7=4x 7=4x-3x 7=x

4x - 3 - 5x + 7 = 6 4x - 5x = 3 - 7 + 6 -1x = 2 x = -2

x=3 That wasn't hard at all. 5x-10=-7+4x -4x -4x _____________ x-10=-7 +10 +10 _____________ x=3